TrainCamp_yanchaoyang_Two/IntegratedPlatform/hmiwidget.h

#ifndef HMIWIDGET_H
#define HMIWIDGET_H

#include <QGraphicsRectItem>
#include <QGraphicsEllipseItem>
#include <QGraphicsSceneMouseEvent>
#include <QCursor>
#include <QPainter>

// 可调整大小的形状模板基类
template <typename BaseShape>
class ResizableShape : public BaseShape {
protected:
    bool resizing;

public:
    ResizableShape(qreal x, qreal y, qreal w, qreal h);

    // 事件处理
    void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
    void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override;
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
protected:
    bool isInResizeArea(const QPointF &pos) const;
};

// 可调整大小的矩形
class ResizableRectangle : public ResizableShape<QGraphicsRectItem> {
public:
    ResizableRectangle(qreal x, qreal y, qreal w, qreal h);
};

// 可调整大小的椭圆
class ResizableEllipse : public ResizableShape<QGraphicsEllipseItem> {
public:
    ResizableEllipse(qreal x, qreal y, qreal w, qreal h);
};

#endif // HMIWIDGET_H